Little girl with a sharp bob, killer moves and an inappropriate relationship with an older actor - Leon: The Professional could easily be a Sia music video.
On Wednesday Natalie Portman met the singer for real when the two performed together on The Tonight Show.
The two joined Jimmy Fallon and the entire Roots crew for an all-percussion rendition of the Dixie Chicks' New Orleans anthem Iko Iko.
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Dixie Chicks: Natalie Portman, Jimmy Fallon and The Roots all donned Sia wigs to perform all-percussion Iko Iko with her on Wednesday's tonight show pre bonded hair
'My grandma and your grandma, sitting by the fire,' the host began to mutter shortly after his monologue, before suddenly asking the crowd if they wanted to see Natalie Portman, Sia and The Roots perform it instead.
He then rolled a tape of that exact bizarre line-up, all dressed in either black or while, each wearing a matching two-tone Sia wig.
The camera-shy crooner herself was sat right in the middle in a short white dress and enormous white bow on her head, face as always hidden behind her lengthier fringe.
She then lead the motley crew then kicked into an impressive version of the creole classic, with Portman displaying notable knowledge of the lyrics.
Motley crew: The Host rolled a tape of the bizarre line-up, all dressed in either black or while, each wearing a matching two-tone Sia wig
A for effort: 'You guys are so cool and I'm just like the dorky mom,' the 34-year-old sheepishly laughed back at the studio, now wearing gorgeous short red dress
Fan: The actress was full of praise for the Chandelier singer: 'Shes so so cool, i just love that voice. She is amazing'
Oscar-winner the Grouch: 'I was panicking back there, i looked like I was performing on sesame street,' she added

'You guys are so cool and I'm just like the dorky mom,' the 34-year-old sheepishly laughed back at the studio, now wearing gorgeous short red dress.
'I was panicking back there, I looked like I was performing on sesame street,' she added.
However she was full of praise for the Chandelier singer: 'She's so so cool, I just love that voice. She is amazing'; but did add of Jimmy's performance: 'You were killing it on the spoons.'
Harvard grad: The host complimented her on her tenacity in researching the correct lyrics
Research: 'I just Googled it,' she giggled. 'I'm a person who uses Wikipedia like all other people.'
Ravishing: She looked stunning in a fit and flare red dress with a mesh skirt, teamed with ruched black ankle boots
Big grin: She couldn't take the smile off her face as she interview with the TV star continued
The host then repaid the compliment, praising the Oscar-winners tenacity in researching the correct lyrics.remy hair extensions
'I just Googled it,' she giggled. 'I'm a person who uses Wikipedia like all other people.'
Natalie's directorial debut A Tale Of Love And Darkness closed the New York Jewish Film Festival on Tuesday, while her upcoming western Jane Got A Gun hits theatres this weekend
Attack of the clones: Sia also performed at the end of the night, with her usual troop of mini Sias
Retiring: The camera-shy crooner wore a short white dress and enormous white bow on her head, face as always hidden behind her lengthier fringe
First: Natalie's directorial debut A Tale Of Love And Darkness closed the New York Jewish Film Festival on Tuesday, while her upcoming western Jane Got A Gun hits theatres this weekend

After Thursday night's horrific terror attack in Nice, concerns were raised for the cast and crew of Fifty Shades of Grey, who were filming nearby.
Yet Dakota Johnson had moved away from the horrors of the south of France as she headed to Paris to continue filming the second film in the franchise on Monday.
The 26-year-old superstar looked incredibly elegant as she sidled along in a stylish floral dress with a belted waist which she toughened up with chunky flatforms.
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Relocation: Dakota Johnson had moved away from the horrors of the south of France as she headed to Paris to continue filming the second film in the franchise on Monday
Dakota, who plays meek Anastasia Steele in the erotic trilogy, looked tremendously chic in her white gown which was adorned with a patchwork floral print in a host of pastel hues.
Boosting her already long legs, the brunette beauty sported chic double strap flatforms which added inches to her height.
Injecting a superstar touch into the ensemble, Dakota clutched an envy-inducing Hermes Birkin handbag, complete with gold fastenings and a detachable long strap.
Coordinating again with the black accents in her ensemble was her over-sized sunglasses which shielded the majority of her face.
Stylish: The 26-year-old superstar looked incredibly elegant as she sidled along in a stylish floral dress with a belted waist which she toughened up with chunky flatforms

Initially wearing her hair pulled back in a low-key ponytail, Dakota, who stars opposite Jamie Dornan playing Christian Grey in the movie, later allowed loose locks to cascade over her shoulders.
Her trademark long-length fringe was tickling her lashes as she appeared to sport minimal make-up from beneath her glamorous eyewear.
The cast arrived in Paris after a stint of filming in south of France, where they were seen taking a dip in the shores before terror struck nearby.
A short way from the set, the tragic Bastille Day terror attack in Nice took place, which saw the death of 84 people including 10 children.
Floral fancy: Dakota, who plays meek Anastasia Steele in the erotic trilogy, looked tremendously chic in her white gown which was adorned with a patchwork floral print in a host of pastel hues
Mohamed Lahouaiej Bouhlel, 31, drove a white lorry drove into the heavily populated Promenade des Anglais crushing people before exiting the vehicle and spraying crowds with bullets.
Horrifying footage of the moment the truck turned into a deadly juggernaut were uploaded online within minutes, showing a trail of dead bodies left in its path.
The devastating events saw the film's producer Dana Brunetti move to reassure fans that everyone involved with the project was safe.perruques cheveux
Passing on the message from the whole production team, he wrote on Twitter: 'From production: 'Production has confirmed that everyone working on location in the south of France is okay.
''Everyone has been accounted for and is safe and sound. Thanks for everyone's messages and concerns. Another sad day for France and the world.'
Safe and sound: The devastating events saw the film's producer Dana Brunetti move to reassure fans that everyone involved with the project was safe (Dakota pictured with co-star Jamie Dornan)

Mariah Carey and her fiancé James Packer have spent the last few days soaking up the sun on the French Riviera.
And the couple looked in suitably good spirits as they arrived for a private dinner with friends in Saint-Tropez on Sunday night.
The 46-year-old pop diva stole the spotlight in a plunging tight pink dress while billionaire James, 48, was spotted beaming with pride.
Stealing the spotlight! Mariah Carey (left) looked suitably glamourous on holiday in Saint-Tropez, France on Sunday night, while her fiancé James Packer (right) took a notably more casual approach
It is understood the couple were walking to an evening soirée with Hollywood director Brett Ratner and James' friend Ben Tilley.
James looked like he'd caught the sun recently as he displayed a reddish tan, while Mariah flaunted her beautifully bronzed glow.lace front wigs
Meanwhile, the Without You star showed off plenty of cleavage in her stylish bodycon dress which featured a low-cut neckline.
No wonder he's smiling! Mariah, 46, displayed plenty of cleavage in tight pink dress with a plunging neckline
You're a lucky man, James! The Australian billionaire couldn't stop smiling next to his glamourous fiancée

Mariah gave onlookers a glimpse of her sun-kissed décolletage and also displayed her shapely legs in a pair sheer tights.
She styled her sleek brunette hair loosely and accessorised in typically extravagant style with several statement rings.
Her partner James, however, took a notably more casual approach in a dark, loose-fitting ensemble.
Summer days: James looked like he'd caught the sun recently as he displayed a reddish tan, while Mariah flaunted her beautifully bronzed glow
Busty: The US singer displayed plenty of cleavage in her bodycon dress which featured a low-cut neckline
The 6ft 6in-tall businessman opted for a navy long-sleeve top with a scooped neck and black trousers.
Meanwhile, Mariah and James got engaged back in January after a whirlwind romance of less than a year.cosplay wigs
The son of late media tycoon Kerry Packer presented her with a diamond ring with an estimated value of US$7.5 million.
A sheer delight! Mariah gave fans a glimpse of her sun-kissed décolletage while flaunting her shapely legs
Keeping it casual: James took a more laid back approach in a navy long-sleeve top with a scooped neck
Love story: Mariah and James got engaged back in January after a whirlwind romance of less than a year